It looks very good. Since the comments about the grrenness I can only assume that you have made some changes to it as the style is coming along nicely.
You still have quite a lot of images to do, but the ones that you have done so far look great.
Just one thing that I did pick up on is that while the dig in the navbar looks great on the forumhome, it does throw your breadcrumb off center once you enter a forum or a thread.
Finally, you might want to check out your forum titles and descriptions before you go live as you have a couple of inconsistancies and typos in there (eg Dogs then Felines would be better as Cannines then Felines or Dogs then Cats)
So far so good though